Reflector.



No. 678,942. Patented July 23, MN. F. W. 60X.

REFLECTOR.

(Application filed Mn. 6, 1901.)

( No Model.)

' PATENT FFICE.

FREDERICK WILLIAM COX, OF TORONTO, CANADA.

REFLECTOR.

SPECIFICATION forming part of Letters Patent No. 678,942, dated July 23,1901.

Application filed March 5, 1901.

T0 all whom, it may concern:

Be it known that I, FREDERICK WILLIAM COX, a subject of the King ofGreat Britain, residing at Toronto, in the county of York, Province ofOntario, Canada, have invented certain new and useful Improvements inReflectors, of which the following is a specification.

My invention relates to improvements in reflectors; and the object of myinvention is to design a reflector which will occupya small space, andyet have a large reflectingsurface; and it consists, essentially, of abase, shaped as hereinafter described, provided with a plurality ofwings, as hereinafter more particularly explained.

Figure 1 is a general perspective view of my reflector, parts beingdotted in. Fig. 2 is a section on the line a y, Fig. 1, looking in thedirection indicated by arrow. Fig. 3 is a section on the line a y, Fig.1, looking in the direction indicated by arrow. Fig. 4 is a view of asection of one of the Wings, showing sections which show approximatelythe curvature in the sections.

In the drawings like letters of reference indicate corresponding partsin each figure.

A is the base of the reflector, which is designed to be held by anysuitable holder above the light. The base A is composed of a pluralityof semicircularly-shaped portions B, as shown, from which extendoutwardly at any desired angle the wings O. Each wing O is preferablyconnected to its adjacent wing for any suitable distance, as shown at D.As will be seen, each wing O is composed of a number of sections E,between which is an outwardlyprojecting rib F, which merges into thesurface of the wing a short distance from the semicircularly-shapedportions B, as shown at b. The inner surface of the Wings 0 may be, ifdesired, constructed so as to follow the configuration of the outsidesurface of the said wings; but this is immaterial to my invention. Aswill be seen, the sections E are widest at their top end and graduallyget narrower toward the base A. The central sections E are the shortestof the said sections, which sections gradually get longer the fartherthey are removed from said central section and on both sides of same.The space G between the ribs F is about flat Serial No. 4:9,986. (Nomodel.)

near the outer end of the sections E, as shown at H, Fig. 4E.

I is a section on the line a b, J is a section on the line 0 d, and K isa section on the line 6 f. These sections show approximately thecurvature in the sections E. This curvature, it will be re/adilyunderstood, must necessarily change in the different sections.

The object of the curved ribs F is to deflect the light in diflerentdirections, as will be seen on reference to Fig. 4, to what the light isreflected by the space G.

The upper surface of the Wings 0 is coated with a suitable material,such as quicksilver, in order to make the lower surface of said wingsreflect the light. The base A is left transparent.

In the drawings I have shown four wings C, forming part of the base A;but it will of course be understood that I may use any suitable numberof wings. Nor do I confine myself to the configuration of the surface ofthe wings O, which may be altered in many ways to provide a goodreflecting-surface.

Although I show and describe the wings O as being joined together attheir lowest sections, it will be understood that the same may be placedclosely together, but yet not join each other. In Fig. 2Ishow the edge e(where the adjacent sections E of the wings O join) as being square; butit will of course be understood that the same may be pointed, as shownin dotted lines in Fig. 3 at c.

This reflector is more particularly designed to be held above, forinstance, and used in connection with the ordinary incandescent mantle,whether the said mantle is used in connection with the ordinary housegas-fixture or in connection with the ordinary streetlamp gas-fixture.The said reflector is placed over the chimney of said mantle, and itslower edge rests upon the usual framework, which 4 face of said Wingsbeing coated with suitable material which will make a reflecting-surface4 of the lower surface of said wings, as described.

2. A reflector comprising a circular transparent base composed, only atits upper end, of a plurality of semicircularly-shaped portionsadjoining each other at their base, a like number of upwardly-curvedfan-shaped wings formed integral with said semicircu- 2o larly-shapedportions and each extended at an upwardly and outwardly inclined angleto said base, the sides of each wing adjoining the sides of its adjacentwings, and a number of outwardly-projecting ribs forming an integralpart of each of said wings and being on the lower surface of same, theupper surface of said wings being coated with suitable material whichwill make a reflecting-surface -ofthe lower surface of said wings, asde- 30 scribed.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

FREDERICK WILLIAM COX. Witnesses:

EGERTON R. CASE, LAWRENCE C. REYNOLDS.

